diyAudio Forums Archive > Top > Amplifiers > Tubes Pages: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 [31] 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59  Tubes - Showing threads 6001 to 6200 of 11689 available ▫ Why separate AC heater supplies for driver and power tubes? ▫ 02-28-2006 11:29 PM - 3 replies ▫ Using one half of double triode ▫ 02-28-2006 01:08 PM - 8 replies ▫ huh ? ▫ 02-28-2006 12:14 PM - 5 replies ▫ holy cow, this sounds nice ▫ 02-28-2006 12:02 PM - 10 replies ▫ my SY CCS is only giving me 15mA ▫ 02-28-2006 10:59 AM - 17 replies ▫ Changing filter cap in HH Scott ▫ 02-28-2006 06:49 AM - 2 replies ▫ Why Class AB is bad ▫ 02-28-2006 06:11 AM - 33 replies ▫ Problem, please help !!!!!! ▫ 02-28-2006 01:01 AM - 7 replies ▫ Eico hf-30 reworking ▫ 02-28-2006 12:34 AM - 5 replies ▫ KT88 Bias Adjustment ▫ 02-28-2006 12:34 AM - 7 replies ▫ Interstage Distortion Measurements ▫ 02-28-2006 12:23 AM - 12 replies ▫ Survey: Aikido distortion ▫ 02-27-2006 11:40 PM - 43 replies ▫ Loftin-White Mod ▫ 02-27-2006 10:54 PM - 3 replies ▫ Music Angel EL34 ▫ 02-27-2006 08:27 PM - 0 replies ▫ How much filtering required for DC heaters? ▫ 02-27-2006 08:04 PM - 2 replies ▫ What is the best input/driver for 2A3 SE? ▫ 02-27-2006 02:04 PM - 51 replies ▫ tube kits.... ▫ 02-27-2006 11:26 AM - 0 replies ▫ !2ax7 heater wiring? Series / parallel? ▫ 02-27-2006 10:51 AM - 1 reply ▫ Shunt regulator ▫ 02-27-2006 07:50 AM - 12 replies ▫ Trying to choose a project... ▫ 02-27-2006 02:20 AM - 7 replies ▫ Old Projector amp conversion project ▫ 02-27-2006 01:01 AM - 1 reply ▫ Experiences with TJ Mesh Plate DHT's ▫ 02-27-2006 12:44 AM - 16 replies ▫ The lost Millman Seely chapters on audio amps ▫ 02-26-2006 07:25 PM - 0 replies ▫ Individual fixed bias and transf coupling ▫ 02-26-2006 06:40 PM - 3 replies ▫ Transmitter e-tour ▫ 02-26-2006 05:49 PM - 6 replies ▫ 7984 ▫ 02-26-2006 11:00 AM - 1 reply ▫ Screen driven EL36 / 6CM5 /PL36 /25E5 ▫ 02-26-2006 08:33 AM - 2 replies ▫ Clone Marantz 7C power supply ▫ 02-26-2006 12:10 AM - 6 replies ▫ On - board supply ? ▫ 02-25-2006 10:40 PM - 1 reply ▫ Name that EL34! ▫ 02-25-2006 09:59 PM - 4 replies ▫ How much plate voltage for 6N1P's? ▫ 02-25-2006 04:30 PM - 2 replies ▫ minimalist valve pre for follower ▫ 02-25-2006 04:08 PM - 10 replies ▫ Schematic opinion needed (guitar amp) ▫ 02-25-2006 02:43 PM - 8 replies ▫ Tube availability: what would you do? ▫ 02-25-2006 02:23 PM - 6 replies ▫ Silvertone 1472 Makeover ▫ 02-25-2006 05:44 AM - 2 replies ▫ Looking for EL32 schematic ▫ 02-25-2006 04:10 AM - 1 reply ▫ oil bath cooling for tubes? ▫ 02-25-2006 01:11 AM - 20 replies ▫ Aikido Crackle Hiss Noise Solved ▫ 02-24-2006 11:59 PM - 1 reply ▫ Mini-p1 tweaks ▫ 02-24-2006 09:52 PM - 4 replies ▫ Refried Power Supply? ▫ 02-24-2006 05:08 AM - 9 replies ▫ The Edcor meets the 6AV5 ▫ 02-24-2006 03:25 AM - 118 replies ▫ old console radio as guitar amp ▫ 02-24-2006 03:23 AM - 8 replies ▫ Anyone have curves for a 5HC7? ▫ 02-24-2006 12:26 AM - 0 replies ▫ Any common cathode (grounded grid) schematics? ▫ 02-23-2006 10:14 PM - 2 replies ▫ SIMPLE tube amplifier for...dummy guy... ▫ 02-23-2006 03:54 PM - 17 replies ▫ ground and earth ▫ 02-23-2006 02:33 PM - 17 replies ▫ Tube Cad Journal dead ▫ 02-23-2006 01:55 PM - 5 replies ▫ First amp ▫ 02-23-2006 11:27 AM - 8 replies ▫ 6922 direct coupled to 2A3 ▫ 02-23-2006 07:16 AM - 16 replies ▫ Ok guys, get your daggers out....... ▫ 02-22-2006 11:05 PM - 7 replies ▫ How would you build a hybrid LM3xxx amp? ▫ 02-22-2006 09:19 PM - 8 replies ▫ Tade no tube amp! ▫ 02-22-2006 02:37 PM - 30 replies ▫ Sherwood 5500 ▫ 02-22-2006 12:38 AM - 0 replies ▫ Most accurate way of matching triodes ? ▫ 02-21-2006 03:05 PM - 4 replies ▫ Help Identify This AMP! ▫ 02-21-2006 01:25 AM - 8 replies ▫ Old Tube Equipment Turnon ▫ 02-20-2006 08:56 PM - 40 replies ▫ Current Sourced Cathode Follower ▫ 02-20-2006 06:40 PM - 8 replies ▫ Tube Tester Data ▫ 02-20-2006 01:41 PM - 9 replies ▫ noob pre/pwer amp recording ?s ▫ 02-20-2006 06:38 AM - 0 replies ▫ Anyone heard of "in-rush" limiter resistor ▫ 02-20-2006 02:44 AM - 14 replies ▫ Will adding a 10H/125mA choke hurt bass performance ▫ 02-20-2006 02:26 AM - 10 replies ▫ Fixed bias vs. auto bias ▫ 02-20-2006 01:56 AM - 17 replies ▫ Not your average output transformer problem ▫ 02-20-2006 12:50 AM - 7 replies ▫ Balanced Audio Technology VK 3i preamplifier ▫ 02-19-2006 08:58 PM - 1 reply ▫ Musical Fidelity X10-D - changing tubes problem ▫ 02-19-2006 01:48 PM - 14 replies ▫ power transformers in series ▫ 02-19-2006 10:33 AM - 10 replies ▫ Loud sudden rumbling when turn on amp ▫ 02-18-2006 10:04 PM - 9 replies ▫ Help with tube amplification? ▫ 02-18-2006 03:06 PM - 4 replies ▫ UTC CG-431 Terminal Arrangement ▫ 02-18-2006 01:39 AM - 2 replies ▫ Mingda MC34B tweaks ▫ 02-17-2006 06:11 PM - 10 replies ▫ Symphonic Line Die Erleuchtung Reference ▫ 02-17-2006 06:30 AM - 7 replies ▫ 6SL7 Diffamp front end ▫ 02-17-2006 05:17 AM - 16 replies ▫ PT/OPT Orientation questions ▫ 02-16-2006 11:48 PM - 5 replies ▫ Effect of using 50k pot instead of 100k pot in tube preamp? ▫ 02-16-2006 10:49 PM - 5 replies ▫ Using the Crowhurst articles and Claus Byrith ▫ 02-16-2006 02:54 PM - 8 replies ▫ 12SX7 ▫ 02-16-2006 01:52 PM - 10 replies ▫ Bridge SE amplifier ▫ 02-16-2006 10:32 AM - 3 replies ▫ Cad Sw ▫ 02-16-2006 10:01 AM - 4 replies ▫ Kit amps in the UK ▫ 02-16-2006 09:13 AM - 5 replies ▫ ECC82 based preamp ▫ 02-16-2006 06:56 AM - 80 replies ▫ How important is the coupling cap? ▫ 02-16-2006 03:43 AM - 25 replies ▫ any pcb layout for marshall standard 50w valve amp ? ▫ 02-15-2006 08:27 PM - 2 replies ▫ pentode driven 300b set amp - any info? ▫ 02-15-2006 06:04 PM - 5 replies ▫ Circlotron Preamp with ECC88. ▫ 02-15-2006 04:27 PM - 13 replies ▫ Removing tone controls - Need a little help ▫ 02-15-2006 04:20 PM - 10 replies ▫ SE EL84 amplifier schematics ▫ 02-15-2006 03:07 PM - 13 replies ▫ Output coupling - Choke-coil method? ▫ 02-14-2006 11:04 PM - 3 replies ▫ 7788 tube mic preamp design ▫ 02-14-2006 07:18 PM - 1 reply ▫ Amperex 6085 Tube- Where to Buy? ▫ 02-14-2006 05:07 PM - 0 replies ▫ Can a 5687 drive four 813's in triode mode ? ▫ 02-14-2006 04:26 PM - 2 replies ▫ Schematics needed for Heathkit S33 ▫ 02-14-2006 02:45 PM - 6 replies ▫ Tube Sparking ▫ 02-13-2006 09:33 PM - 15 replies ▫ Vacuum Tube Pre O.C.L. ▫ 02-13-2006 06:35 PM - 13 replies ▫ Why no single triode OTL power stages? ▫ 02-13-2006 04:46 PM - 28 replies ▫ 6922 .2 sections in parallel ▫ 02-13-2006 03:47 PM - 10 replies ▫ Pre-amp input remote control ▫ 02-13-2006 11:08 AM - 19 replies ▫ Any benefit to DC heater on parallel supply rectifier (GZ34)? ▫ 02-13-2006 05:44 AM - 2 replies ▫ Relpacing 6EU7s with 12AX7s - Good idea? ▫ 02-13-2006 01:27 AM - 9 replies ▫ These Valves good for anything? ▫ 02-12-2006 09:49 PM - 14 replies ▫ buzz problem ▫ 02-12-2006 08:28 PM - 5 replies ▫ Help with trafo ▫ 02-12-2006 08:27 PM - 1 reply ▫ Svetlana EL509 III tubes ▫ 02-12-2006 11:30 AM - 5 replies ▫ Noise on Aikido output ▫ 02-12-2006 08:38 AM - 35 replies ▫ Book “Single Ended Amplifiers” by John (not Gordon) Rankin ▫ 02-11-2006 10:32 AM - 3 replies ▫ EV4417 6CM5 (6x) P-P Amp Schematic ▫ 02-11-2006 05:49 AM - 9 replies ▫ Need recommendation for cathode bypass cap ▫ 02-11-2006 04:55 AM - 12 replies ▫ Simplest flea-powered amp? ▫ 02-11-2006 03:38 AM - 29 replies ▫ Decisions, Decisions - Help me select iron ▫ 02-10-2006 09:47 PM - 7 replies ▫ 966 mercury vapor rectifier ▫ 02-10-2006 09:01 PM - 2 replies ▫ Sound Practices CDs ▫ 02-10-2006 05:11 PM - 0 replies ▫ Question about DIY EL34PP amp ▫ 02-10-2006 04:19 PM - 30 replies ▫ noisy noisy noisy noisy noisy tube ▫ 02-10-2006 08:03 AM - 50 replies ▫ Help needed lowering B+ for DIY amp ▫ 02-09-2006 08:08 PM - 6 replies ▫ 6SN7 CCS ▫ 02-09-2006 08:02 PM - 25 replies ▫ Russian 6L6 family sketchy? ▫ 02-09-2006 07:34 PM - 38 replies ▫ HT regulator using 78xx ▫ 02-09-2006 06:31 PM - 3 replies ▫ Audio Research CA50 ▫ 02-09-2006 03:10 PM - 2 replies ▫ Granite tiles ▫ 02-09-2006 12:45 PM - 3 replies ▫ SE Triode amp for a newbie ▫ 02-09-2006 10:10 AM - 24 replies ▫ tube is flashing and glowing very bright! ▫ 02-08-2006 09:46 PM - 8 replies ▫ Suggestions for another amplifier project. ▫ 02-08-2006 09:26 PM - 1 reply ▫ Bogen PA--->Guitar Amp, few questions ▫ 02-08-2006 06:58 AM - 100 replies ▫ almost just another newbie thread... ▫ 02-08-2006 06:58 AM - 10 replies ▫ ts9 pt9 triode ▫ 02-08-2006 06:58 AM - 0 replies ▫ help Etude 124BA keep blowing fuse. ▫ 02-08-2006 04:07 AM - 4 replies ▫ Metal 6L6s? ▫ 02-07-2006 04:33 PM - 13 replies ▫ Hybrid amplifier help... ▫ 02-07-2006 02:41 PM - 83 replies ▫ Tube input and mosfet output ▫ 02-07-2006 02:19 PM - 10 replies ▫ musical fidelity f22 schematic wanted ▫ 02-07-2006 11:18 AM - 1 reply ▫ An intriguing 300B SE-direct-coupled-amplifier ▫ 02-07-2006 10:53 AM - 27 replies ▫ Output capacitor ▫ 02-07-2006 09:29 AM - 8 replies ▫ Cascoded Long Tail Pair Inferno! ▫ 02-07-2006 08:48 AM - 33 replies ▫ Tube ornamental rim ▫ 02-07-2006 08:30 AM - 3 replies ▫ What should be mod first in my amp ▫ 02-07-2006 03:36 AM - 2 replies ▫ EL504/PL504 spice model ▫ 02-06-2006 03:39 PM - 4 replies ▫ Long Tail Pair Phase Inverter with Penthode ? ▫ 02-06-2006 02:37 PM - 4 replies ▫ new spice models available ▫ 02-06-2006 02:12 PM - 31 replies ▫ Output Capacitor Value ▫ 02-06-2006 12:26 PM - 11 replies ▫ Popular tube websites notifier ▫ 02-06-2006 10:36 AM - 14 replies ▫ Convergent Preamplifier Schematich ▫ 02-06-2006 07:45 AM - 1 reply ▫ Source of tubes & associated stuff in Sydney? ▫ 02-06-2006 12:16 AM - 9 replies ▫ Projects involving EF50 tubes? ▫ 02-05-2006 10:52 PM - 10 replies ▫ Kt77? ▫ 02-05-2006 08:08 PM - 2 replies ▫ Best way to translate schematic into actual layout? ▫ 02-05-2006 06:58 PM - 5 replies ▫ Clean to breakup range ▫ 02-05-2006 04:04 PM - 2 replies ▫ 26 preamp problem ▫ 02-05-2006 10:28 AM - 7 replies ▫ Help designing a tube amp... ▫ 02-05-2006 08:44 AM - 55 replies ▫ mono tube microphone preamp ▫ 02-05-2006 08:44 AM - 0 replies ▫ MJE350 pinout and ccs issue ▫ 02-04-2006 10:18 PM - 9 replies ▫ KGB- DC Coupled Hybrid Balance OTL/OCL HeadAmp ▫ 02-04-2006 08:15 PM - 15 replies ▫ negative voltage doubler for ccs ▫ 02-04-2006 07:33 PM - 6 replies ▫ Loftin-White ▫ 02-04-2006 03:50 PM - 27 replies ▫ SET amp from 1619 driving a 809. Opinion wanted. ▫ 02-04-2006 03:12 PM - 34 replies ▫ Re:preamp sputtering noise ▫ 02-04-2006 03:50 AM - 5 replies ▫ Building an ECL82 Single Ended Amp ... ▫ 02-04-2006 03:14 AM - 11 replies ▫ help a newbie build his first tube project ▫ 02-03-2006 09:23 PM - 11 replies ▫ Mercury Vapour rectifiers ▫ 02-03-2006 06:47 PM - 16 replies ▫ El Cheapo Circlotron PSU question.... ▫ 02-03-2006 12:01 PM - 2 replies ▫ lookin for a tube buffer ▫ 02-03-2006 11:29 AM - 3 replies ▫ Baby SET w/6FD7 and ilk, for Bas and others.... ▫ 02-03-2006 11:00 AM - 13 replies ▫ py500A question ▫ 02-03-2006 02:43 AM - 2 replies ▫ Mundorf Silver-oil VS Jensen copper foil ▫ 02-03-2006 12:47 AM - 24 replies ▫ Can you run a Fender Twin Reverb with only two 6L6's? ▫ 02-03-2006 12:04 AM - 5 replies ▫ Drawing Schematics for Tubes ▫ 02-02-2006 11:01 PM - 10 replies ▫ Drive Current for EL509 Enhanced Triode ▫ 02-02-2006 05:14 PM - 55 replies ▫ mu-follower hybrid headphone amplifier ▫ 02-02-2006 02:22 PM - 9 replies ▫ How to use Svetlana 6d22s? ▫ 02-02-2006 02:00 PM - 3 replies ▫ James Singapore ▫ 02-02-2006 12:08 PM - 4 replies ▫ Oil Filled Capacitor not upright OK? ▫ 02-02-2006 11:32 AM - 4 replies ▫ Aikido using a #26 tube? ▫ 02-02-2006 11:26 AM - 19 replies ▫ Tube and DIY Newbie Kel84 vs Stoetkit Jr.2 ▫ 02-02-2006 10:11 AM - 3 replies ▫ ZOTL and ferrites ▫ 02-02-2006 02:03 AM - 9 replies ▫ 6V6 vs EL84 SE UL ▫ 02-02-2006 01:22 AM - 10 replies ▫ Speaker questions for a Silvertone 1472 ▫ 02-01-2006 03:43 PM - 1 reply ▫ Component selection ▫ 02-01-2006 03:38 PM - 31 replies ▫ Snap sound on preamp powerup ▫ 02-01-2006 01:40 PM - 2 replies ▫ Secondary voltage for heaters ▫ 02-01-2006 12:04 PM - 3 replies ▫ good schematic archive site ▫ 02-01-2006 06:24 AM - 2 replies ▫ Transitional SIlvertoneAmp between 1472 and 1482? ▫ 02-01-2006 04:51 AM - 0 replies ▫ Cheap Source for Hammond 125ESE ▫ 01-31-2006 07:48 PM - 4 replies ▫ Quad II Problems ▫ 01-31-2006 05:39 PM - 39 replies ▫ PCF801 - pentode section has remote or sharp cut-off? ▫ 01-31-2006 05:04 PM - 3 replies ▫ Tube as a desk lamp ▫ 01-31-2006 03:37 AM - 14 replies ▫ Ella EL34 Bias Help ▫ 01-31-2006 01:08 AM - 0 replies ▫ tube diy can or can t ▫ 01-30-2006 11:53 PM - 8 replies ▫ Choke input P/supply and critical damping ▫ 01-30-2006 08:25 PM - 3 replies ▫ balanced grounded grid preamp ▫ 01-30-2006 06:23 PM - 5 replies ▫ Fluorescent ballasts in SE ▫ 01-30-2006 06:16 PM - 1 reply ▫ Hammond Transformers and EZ80/EZ81 ▫ 01-30-2006 04:16 PM - 24 replies ▫ Look what I found this weekend! ▫ 01-30-2006 03:00 PM - 24 replies ▫ Question on 300B tubes from Parts Connexion ▫ 01-30-2006 02:27 AM - 2 replies ▫ Russian Tubes ▫ 01-30-2006 12:55 AM - 3 replies ▫ Help a first timer to select... ▫ 01-29-2006 10:47 PM - 12 replies ▫ GE 5692 BLACK base? ▫ 01-29-2006 08:00 PM - 31 replies ▫ sources on the web for chinese amps ▫ 01-29-2006 07:44 PM - 3 replies ▫ How much capacitance in a power supply ▫ 01-29-2006 02:51 PM - 2 replies ▫ Parallel 12AT7 for 2A3 driver? ▫ 01-29-2006 12:02 PM - 24 replies ▫ Maida's regulator ▫ 01-29-2006 11:25 AM - 3 replies ▫ Common Mode Chokes for Heater Supplies ▫ 01-28-2006 10:22 PM - 7 replies ▫ Ming Da MC34B....passive or active pre amp? ▫ 01-28-2006 07:46 PM - 2 replies

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